Home / 22,428.45-30,950.02-12,354.91

Finding the Fourth Proportional to 22,428.45, 30,950.02 and 12,354.91

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Solution

The fourth proportional to 22,428.45, 30,950.02 and 12,354.91 is: 17,049.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,428.45 : 30,950.02 = 12,354.91 : x
  2. Step 2: Convert to fraction form
    22,428.45/30,950.02 = 12,354.91/x
  3. Step 3: Cross multiply
    22,428.45x = 30,950.02 × 12,354.91
  4. Step 4: Simplify right side
    22,428.45x = 382,384,711.60
  5. Step 5: Solve for x
    x = 382,384,711.60/22,428.45
  6. Step 6: Final answer
    x = 17,049.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.